1. World History

    Hi! I've been having trouble doing my world history assignment.. if anyone can help; here are the instructions.. This assignment asks you to write about an event from two different points of view. Historians often read conflicting accounts of events and
  2. math(pre calc)

    A 100 foot tall antenna sits part way up a hill. The hill makes an angle to 12 degrees with the horizontal. In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable, it must be anchored by
  3. Algebra Question 1

    5. Business B pledged $20 million less than twice the amount pledged by Business A. Business C pledged $200 million less than twice the amount pledged by Business B. If x represents the amount pledged by the Business A, write expressions to show the
  4. Statistics

    A study of reading ability in schoolchildren chose 60 fifth-grade children at random from a school. The researchers had children's scores on an IQ test and on a test of reading ability. An eccentric professor has his own idea of the relationship between IQ
  5. english/writing

    The sterotype of the homosexual, particularly the male, is one of promiscuity. Indeed, there is some basis for that sterotype; about half of all white mails in one study reported that they had over five hundred partners. However Riedmann (1995) esimated
  6. Chemistry

    The following questions refer to the following system: 500 mL of 0.02 M Mn(NO3)2 are mixed with 1.0 L of 1.0 M Na2C2O4. The oxalate ion, C2O4, acts as a ligand to form a complex ion with the Mn+2 ion with a coordination number of two. Mn2+ + C2O42- goes to
  7. Physics,geo,life scince,pure maths,

    Hy my name is pretty my schol name is mdingazi doing physics...i don't know what to do about the career i have choosen can u please help.
  8. physics

    solve this physics problem for me a vehicle has a mass of 1200kg and four wheels of area 0.06m2 calculate pressure on one wheel
  9. Physics

    7) Find the force of gravity between two 74.0 kg physics students that are sitting 0.85 m apart 7579.24 N 5.057 x 10(-7) N None of these choices are correct 9.8 x 10(-7) N I'm unsure of how to begin.
  10. Art

    Ok...someone stumped me with a religion question, but it's more like an art question. Salvador Dali's painting, the Agnostic Symbol. Any idea of the meaning? Here's a link: http://fusionanomaly.net/salvadordaliagnosticsymbol1932.jpg Matt Matt, this is what
  11. physics

    please answer ! how is physics related to food technology ?
  12. college-physics

    how to write scientific report on physics
  13. physics

    meaning of graw I have never heard that term in physics.
  14. Physics

    In physics what does ω unit represent? rad/s ???
  15. physics

    How to make a project based on physics laws
  16. physics

    what physics are involved in the 100 meter dash
  17. Physics help!

    I need to know all of the equations for WORK problems (Physics). I'm not sure where to find them. if someone could help id appreciate it.
  18. Physics

    In physics, how do you solve for the magnitude in 2-D kinematics and what are the x and y-components?
  19. physics

    what physics topics affect a laser surgeon?
  20. physics

    IN PHYSICS TENTH CLASS ADDRESS OF AN ELECTRON
  21. chemistry

    Nitrogen (N2) and hydrogen (H2) react to form ammonia (NH3). Consider a mixture of six nitrogen molecules and six hydrogen molecules in a closed container. Assuming the reaction goes to completion, what will the final product mixture be? number of NH3
  22. math

    Q: Corbin is playing a board game that requires rolling two number cubes to move a game piece. He needs to roll a sum of six on his next term and then a sum of ten to land on to the next two bonus spaces. what is the probability that Corbin will roll a sum
  23. Chemistry

    A 0.2800 g sample of an unknown acid requires 28.22 ml of 0.1199 M NaOH for neutralization to a phenolphthalein end point. a.) How many moles of OH- are used? b.) How many moles of H+ are found in the acid? c.) What is the calculated equivalent molar mass
  24. physics-bobpursley/drwls

    Good morning! I just wanted to say thank you for all of your help. This was my first time taking Physics ever and it was like a foreign language to me. For a long time during this semester I had an "F" average, because of you both I have passed my physics
  25. Physics

    Sense I'm not taking Physics C but Physics B I guess I'm not expected to find the value of the drag force sense that would involve soem calculus. I just have a question though. If we performed a lab outside wouldn't the drag force vary from time to time
  26. Science

    I have to think of something to do for a science fair project on nutrition. if u have any ideas that would be really cool. You need to think of ideas that interest you. Don't worry about others thinking that the idea is "cool." What nutrition topics
  27. Regression Analysis

    1)Quantity of Beef 2)Price of Beef 3)Price of Pizza 4)Price of Coke 5)Income 1- list and explain each of the components of your regression model, both the dependent variable and the independent variables 2-list each of the independent variables,
  28. help i have no idea!!!!!!

    Time (s) 0 1 2 3 4 5 7 8 9 10 Δ X (m/s) Position 0 3 7 12 17 24 22 17 14 14 1. Graph the table above (include title, label the independent (x) and dependent variable (y), use the proper scale) 2. Identify on your scale the positive acceleration and
  29. Statistics

    Case - Can This Survey Be Saved? "What's troubling me is that you can't just pick a new random sample just because somebody didn't like the results of the first survey. Please tell me more about what's been done." Your voice is clear and steady, trying to
  30. Statistics

    From: Siegel, A.F. (1997). Practical Business Statistics, 3rd Edition. Irwin/McGrawHill. Case - Can This Survey Be Saved? "What's troubling me is that you can't just pick a new random sample just because somebody didn't like the results of the first
  31. statistics

    On the second day of Statistics, my teacher gave to me….two turtle doves. The pet store that my Statistics teacher frequents has 25 doves, of which 8 are turtle doves. (See * below. This is not a trick question as turtle doves really do exist. If you are
  32. Physics

    I really would like to give some work on this problem, but I have no idea how to do it! Please help! An airplane is dropping bales of hay to cattle stranded in a blizzard on the Great Plains. The pilot releases the bales at 120 m above the level ground
  33. Chemistry

    Name the following crystallographic features below using proper crystallographic notation. Image One [2ˉ21] [1ˉ12ˉ] [1ˉ1(1/2)] [(1/2)(1/2ˉ)1ˉ] Image 2 (1ˉ02) (21ˉ0) (201) (1ˉ02ˉ) The wrong answer as far I
  34. math,algebra

    They may want you to add the fractions and give the answer in forms of a fraction. in that case, you need to convert to common denominators before addineg. In that case 1/3 + 1/5 + 1/10 = (10 + 6 + 3) /30 = 19/30 5/6 - 3/5 = (25 - 18)/30 = 7/30 You answer
  35. chemistry

    An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at
  36. Bio- Genetics Quest.

    A freind of yours brings up the idea that, if a person's gene were all identified and sequenced, he would be able to tell everything about that person: what they look like, how they might act, even how they will progess in life, and how long they would
  37. English

    I forgot to add the following sentences. Can you please check them fo me? Thank you very much. 1) Would you like anything to drink? Yes, please. I'd like some grapefruit juice and a one-litre bottle of fizzy water, please. 2) I need two bags of frozen
  38. Chemistry

    Hi there - My labs and lectures aren't in synch at the moment so we are now doing a prelab that is asking for info I haven't been taught yet uggg... The prelab question I'm having trouble with is as follows: What is the volume at STP for 0.415 g of argon
  39. english

    what are motifs? Motifs are like repeated images or themes that run through a story. http://www.answers.com/motif In order to get a good idea about them, here are some analyses of motifs and themes in a couple of well known works:
  40. english

    Write a 150- to 200-word paragraph to explain how purpose, audience, tone, and content impact academic writing. Be sure to use the three components of a good paragraph covered in this weekâ??s readings. Underline the topic sentence and bold the concluding
  41. english

    Select the excerpt from "Mother Tongue" by Amy Tan that best describes language bias. 1. I've heard other terms used, "limited English," for example. But they seem just as bad, as if everything is limited, including people's perceptions of the
  42. probabilty

    In a school, 14% of students take drama and computer classes, and 67% take drama Class. What is the probabilty that a students takes computer class given that the student takes drama class? i have no idea how to work this so please show me your work.
  43. Language Arts

    What is a concrete-noun? Nouns fall into two types -- concrete and abstract: If the noun represents a person, place, or thing (something you can see or touch or smell or ???), it's considered a concrete noun. If the noun represents an idea (something you
  44. English

    I urgenlty need you to check these sentence. Thank you. 1) I'm emailing you the (required/requested??) information to your school address hoping that your school computer is working now (How do you express tha fact that the computer has broken down?) 2) As
  45. Chemistry

    This is for oxidation numbers. I need to know how to show my work. Ex: for NaClO, I have to find the oxidation number for Cl I showed my work. NaClO +1+x+(-2)=0 +1+x-2=0 x-2=-1 x=-1+2 x=+1 Therefore, the oxidation number for chlorine in NaClO is +1. Cl^- I
  46. U.S. History

    please check these: 1. The First Continental Congress voted to a. end the boycott of imports from Britain b. call for the formation of colonial militias c. imprison all British tax collectors d. adopt the Declaration of Independence i picked B 2. the
  47. HISTORY

    i need to write a biography and a birth certificate on george brown. but i have no idea what a biography, birth certificate are suposed to look like use search engines and use images Thank you for using the Jiskha Homework Help Forum. Your parents probably
  48. world history

    How did the Minoans and Mycenaens shape early greek civilization? Minoan Society: http://traumwerk.stanford.edu:3455/Archaeopaedia/142 This site gives the history of early Greek society and discusses the contributions of both the Minoan and Mycenaean eras.
  49. ovarian and uterine cycles

    There are two I could not find. Are those that I have so far correct? 1. Name the hormone that triggers development of a primary follicle. I had no idea. . . 2. The corpus luteum releases progesterone in the luteal phase. 3. Oestrogen and progesterone are
  50. Maybe you know this one..

    Heyy, I posted this before but it kinda got pushed down and ignored, and I was hoping maybe DrBob might have an idea since no one else did! okay I have this question about chemistry and its driving me nuts. It feels like I am so close but am just missing
  51. Regression

    1)Price of COke 2)Price of Pizza 3)Price of Beef 4)Quantity of Beef 5)Income 1) List and explain each of the components of you regression model, both the dependent and independent variables 2) list each of the indepedent variables, and hypothesize the sign
  52. grade 12 chemisstry

    I have no idea what I'm doing here, please help. 2 half cells in a galvanic cell consist of one iron Fe(s) electorde in a solution of iron (II) sulphate FeSO4(aq)and a silver Ag(s) electrode in a silver nitrate solution, a)state the oxidation half
  53. US History

    Why were yeoman farmers often called "the backbone of the South" in the period from 1820 to 1850? A) When government officials wanted to oversee how Southern land was cultivated, yeoman farmers challenged the idea. B)Yeoman farmers grew vegetables, raised
  54. Math

    Please help thanks :) I need to know how to figure out this question. Below is some financial information for the month of September for a large clothing store Using the retail method of inventory, estimate the value of the ending inventory at cost on
  55. chemistry lab

    An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at
  56. Kinematics Physics

    Please let me know if someone can help with this subject. I have summer school in physics because I did not get the first semester. I am still not getting it. Alyx Yes, we can help you. Post your questions, show your work, and we'll guide you in the right
  57. physics

    physics - asa, Tuesday, September 18, 2012 at 1:25pm can yu help me thanks in advanec. imageshack . us /photo/ my-images//593/questionpb.png/
  58. physics

    what is the perpendicular distance between two parellel rays emerging from a glass block called please give reply as tomorrow i have physics paper
  59. physics

    Daneil is bouncing on a trampoline. After a certain bounce he leaves the ground traveling at a speed of 2.54 m/s. How far into the air does he go? I need helllpppp I'm so bad a physics, I need to know what formula to use..
  60. physics

    A physics book slides off a horizontal tabletop with a speed of 1.10m/s{\rm m}/{\rm s} . It strikes the floor in 0.350s{\rm s} . Ignore air resistance.
  61. Physics HS

    Doing a physics lab on elastic material - Asked to list at least three sources of error in measurments and/or laboratory technique. I really do not understand what teacher is looking for?
  62. budgeting

    A. She should scrap her present budget and start all over again. B. It is clear that Lisa is just one of those people for whom budgeting is impossible. She should give up on the idea. C. She should make adjustments in her food-buying habits and/or look for
  63. Math

    A cyclist won a bicycle race for seven consecutive years. His "winning" times and "victory" margins (time difference of the second place finisher) are given in the figure below. -Year------Time--------Margin ----------(h:m:s)------ (m:s)
  64. English

    Can you please consider these sentences from a grammatical and lexical point of view? Thank you in advance. 1) Since the last years of the 19th century Europe started to live a very deep crisis. (Since the last years.... had been experienced?) 2) Freud
  65. business

    The leader of your client organization has observed a lack of flexibility and a slow decision-making process in many of the departments. He believes that he is not serving his customers well, and has decided to move to a team environment and to push many
  66. business

    he leader of your client organization has observed a lack of flexibility and a slow decision-making process in many of the departments. He believes that he is not serving his customers well, and has decided to move to a team environment and to push many of
  67. Statistics

    A game at the state fair has a "guesser" guess the month of your birth. You win a prize if he misses your month by more than 2 months (for ex: if you were born in April, and he guesses February, he wins; if he guessed January, you win). For simplicity,
  68. Calculus

    I am doing the AP calculus review, these are the questions I have no Idea on how to do: 1. if 0<= k <=pi/2 and the area under the curve y-cosx from x=k to x=pi/2 is 0.2, then k= 2. let F(x) be an antiderivative of (ln x)^4/x If F(1)=0, then F(9)= 3.
  69. math

    No idea how to do this. I looked in my book and there usually is a data set present to get the first, second and third quartile. The lifetimes of lightbulbs of a particular type are normally distributed with a mean of 392 hours and a standard deviation of
  70. chemistry

    This is my third time to ask this and no one has answered. Please help. An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002
  71. Math ASAP please

    13. Mia charges $2.25 per hour when she babysits, plus $5.00 for transportation expenses. Write a function rule to represent the amount y Mia charges to babysit for x hours. (1 point) y = 2.25x + 5.00 y = 5.00y + 2.25 y = 5.00x + 2.25 y = 7.25x 14. The
  72. PSY HELP!!! Please

    Match the psychological theories with the appropriate statement(s): Psychodynamic Theory Trait Theory Learning Theory Sociocultural Humanistic Theory Popular theorist Eysenck initiated the five-factor model. The healthy personality is found in balancing
  73. History

    How did Europeans use the idea of eugenics to justify colonization and imperialism? a.Europeans thought that their scientific superiority supported their claim to the world’s natural resources for the advancement of mankind. b.Europeans believed they
  74. history

    How did Europeans use the idea of eugenics to justify colonization and imperialism? a.Europeans thought that their scientific superiority supported their claim to the world’s natural resources for the advancement of mankind. b.Europeans believed they
  75. Algebra word problem

    I have no idea how to start this problem can some one explain to me am i suppose to divid 1/10 by 1/4 which i get 4 but i feel i am missing some thing am i am Fungicides account for 1/10 of the pesticides used in the United States. Insecticides account for
  76. CIVICS

    The diagram below shows that the colonists formed some of their political views from historical documents.There are two sets of two boxes. The top box to the left says English Bill of rights. Then there is an arrow pointing to the top box on the right that
  77. grammar

    Multiple Choice. Select the sentence that does NOT have an agreement error. 1. *Patient has had no loss of consciousness, has no headache, and there is no pain in neck. *Patient has had no loss of consciousness, has no headache, and has no pain in neck.
  78. Chemistry

    Please explain this, I have no idea how to figure this out. What molecule or polyatomic ion has the following features. (a) four bonded atoms, no unshared electrons on the central atom (b) two bonded atoms, no unshared electrons on the central atom (c) two
  79. Physics

    Physics Question Help please!!!? A 3.70 kg mass attached to a spring oscillates with a period of 0.375 s and an amplitude of 17.0 cm. (a) Find the total mechanical energy of the system
  80. physics

    In a paragraph, use the following words: Inertia, Acceleration, Kinetic Energy, and Newton's 1st Law to describe the physics at work during a car crash
  81. physics

    In a paragraph, use the following words: Inertia, Acceleration, Kinetic Energy, and Newton's 1st Law to describe the physics at work during a car crash
  82. physics

    4.) A 8.0 kilogram physics textbook experiences an applied force of 28.0 Newtons for 2.6 seconds. The resulting acceleration is 3.50 m/s2. Determine the change in the momentum of the book.
  83. Ms. Sue PLZZZ help with this U.S History

    Which answer best describes part of James Otis' role in the Revolutionary Period? Otis supported the idea that each colony would have its own legal system.*** Otis opposed the British practice of executing searches without warrants. Otis opposed the
  84. Behavioural Economics

    1.Which of the following is NOT one of the mantras prescribed the practitioner’s guide to nudging? (any one) A. If you want people to do something, make it easy and fun B. Always run between-participant experiments to ensure a test of causality C. There
  85. 7th grade math only 3 questions Ms.Sue please

    14. If a right triangle has one of leg measuring 27 inches and one leg measuring 23 inches, what is the length of the hypotenuse to the nearest inch? (1 point) 36 14 3 2 15. The description of a TV is based upon the diagonal length. If the height of a TV
  86. History @Reed

    Which answer best describes part of James Otis' role in the Revolutionary Period? Otis supported the idea that each colony would have its own legal system.**** Otis opposed the British practice of executing searches without warrants. Otis opposed the
  87. Calculus: Optimization

    I have no idea how to approach this problem, if someone knows just how to relate h, r with H,R, that would be extremely helpful and I can workout the rest! Thank you in advance. Given a right circular cone, you put an upside-down cone inside it so that its
  88. Math

    You went to lunch with your friend and the bill is $19.00 your lunch is $3.00 more than your friends. How much was your friends lunch? f + 3 = 19; $8.00 3f + 2 = 19; $8.00 2f + 3 = 19; $8.00 2f - 3 = 19; $8.00 Mark weighs 74 pounds. together he and his
  89. English

    26. identify the degree comparison for the underlined word the most original idea was suited by a pair of tenth graders (Most original is underlined) A. Positive B. comparative c. superlative d. none of the above I think it is c identify the degree of
  90. English 1

    In "A Cub Pilot" the author says: "Judgement is a matter of brains, and a man must start with a good stock of that article, or he will never succeed as a pilot." Which of the following best restates the author's idea? A: Riverboat pilots must have good
  91. Chemistry

    Hi Dr. Bob, this is a chemistry question. I don't know how to go about solving this problem: What is the pH of the solution created by combining 11.40 mL of the 0.10 M NaOH(aq)with 8.00 mL of the 0.10 M HC2H3O2(aq)? Here's what I have so far: (0.10M
  92. english

    correct the following tenese Concentration does not mean (1) think only one idea. Concentration means holding a central issue in mind while you (2)except or reject ideas that are related to that issue. In the words of F. Scott (3)(1896-1940), author of the
  93. English

    I included some corrections I did myself and a message I need you to check. 1)The apron stage was circular in shape and was projected in the open air. Correction: it's projected into the yard. 2)The witches predict to Macbeththat he will be Thane of Cowdor
  94. math

    3 boxes are in a room. You know that one contains apples, one contains oranges, and one contains both apples and oranges, nut you don't know the contents of the specific boxes. The boxes are labeled, "apples," "oranges," and "apples and oranges," but each
  95. english

    Word bank: Adverse arid assailant billow confront constrain contemporary depict disinterested encompass groundless hypocrite incomprehensible manipulate maximum mimic ruffle serene sheepish stamina She has many interesting ideas but she seems to lack the
  96. Psychology

    7. Research examining the perceptual abilities of newborn and very young infants has: a) provided little information regarding the notion that infants experience a "blooming, buzzing confusion" b) tended to contradict the idea that infants experience a
  97. PHYSICS

    PLEASE SEE ADDITIONAL QUESTION AT BOTTOM. A pendulum was set up and measurements were made to enable the mechanical energy to be calculated at the start position S and the lowest point of the pendulums swing L. The mass of the pendulum bob was determined
  98. English

    Is this paragraph’s main idea stated or implied? The greatest gift the Sumerians gave the world was the invention of writing. The Sumerians were a wealthy people. They needed some way to keep track of what they owned. They began drawing pictures. They
  99. policy making, help please

    Gun Control ISSUE: Permit individuals to buy and use guns given the proper training and knowledge about guns. I have to come up with two strategies and Under each, I have to explain how I would apply it to your issue. My first strategy is the cange issue
  100. Data

    A manufacturing company produces lenses for digital cameras. The defect rate for each lense is 9%. Which of the following testing procedures will result in more production stops? Procedure A: The company will test 10 lenses per hour, and stops production